Fluids, soils and rocks: Electromagnetic and NMR signatures

Farizal Hakiki, Carlos Santamarina

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Electromagnetic phenomena support the development of exceptional methods for non-destructive, non-contact geomaterial characterization and subsurface process monitoring. Such phenomena include Ohmic conduction, electromagnetic wave propagation and nuclear magnetic resonance. The physical parameters involved include DC conductivity σ, complex permittivity ε*(ω) and complex permeability μ*(ω) spectra, and nuclear magnetic resonance relaxation. These parameters reflect mineralogy, particle and pore size distributions, pore network topology and anisotropy, fluid composition, state and fluid-mineral interaction. Proper data interpretation requires careful understanding of underlying physical concepts and measurement methods.
Original languageEnglish (US)
Title of host publicationSixth International Conference on Engineering Geophysics, Virtual, 25–28 October 2021
PublisherSociety of Exploration Geophysicists
StatePublished - Dec 24 2021


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